An immunity rate of 15 per cent is already enough to slow the spread of the virus significantly, they added.
However, they admitted that all governments need to collect more data as the world still doesn‘t know enough about the virus.
Last week, research conducted by Prof Streeck showed that the home of one infected family did not have ‚any live virus on any surface‘, adding even more questions as to how the virus is spread from person to person.
Prof Streeck said the virus had not even been found on door knobs or animal fur.